Specific code 2014 ICD-9-CM Diagnosis Code 746.86
Congenital heart block
  • Billable Code
  • ICD-9-CM 746.86 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 746.86 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Heart block, congenital
Applies To
  • Complete or incomplete atrioventricular [AV] block
Convert to ICD-10-CM: 746.86 converts directly to:
  • 2014 ICD-10-CM Q24.6 Congenital heart block
ICD-9-CM Volume 2 Index entries containing back-references to 746.86:
  • Block
    • atrioventricular (AV) (incomplete) (partial) 426.10
      • with
      • 2:1 atrioventricular response block 426.13
        • atrioventricular dissociation 426.0
      • first degree (incomplete) 426.11
      • second degree (Mobitz type I) 426.13
      • third degree 426.0
      • complete 426.0
        • congenital 746.86
      • congenital 746.86
      • Mobitz (incomplete)
      • partial 426.13
    • auriculoventricular (see also Block, atrioventricular) 426.10
      • complete 426.0
        • congenital 746.86
      • congenital 746.86
    • heart 426.9
      • first degree (atrioventricular) 426.11
      • second degree (atrioventricular) 426.13
      • third degree (atrioventricular) 426.0
      • bundle branch (complete) (false) (incomplete) 426.50
        • bilateral 426.53
        • left (see also Block, bundle branch, left) 426.3
        • right (see also Block, bundle branch, right) 426.4
      • complete (atrioventricular) 426.0
      • congenital 746.86
      • incomplete 426.13
      • intra-atrial 426.6
      • intraventricular NEC 426.6
      • sinoatrial 426.6
      • specified type NEC 426.6
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 746.86 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.